Patients with headache, cold for a while and then hot for a while may be an upper respiratory tract infection, due to the role of bacterial toxins lead to the body temperature rise period, in the body temperature rise period patients will feel headache, body cold, body temperature rise to a certain extent in the body temperature is no longer rising, the patient will show headache, body heat situation, cold for a while and then hot for a while is a process of temperature rise period. It is suggested that the patient can measure the body temperature, go to the hospital for routine blood tests to observe whether there are elevated white blood cells, drink more hot water, eat more fresh fruits and vegetables, ensure sufficient sleep, enhance physical fitness, headache symptoms will also be good.